40774039 has 2 divisors, whose sum is σ = 40774040. Its totient is φ = 40774038.

The previous prime is 40774031. The next prime is 40774061. The reversal of 40774039 is 93047704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40774039 - 2³ = 40774031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40773995 and 40774013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40774031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20387019 + 20387020.

It is an arithmetic number, because the mean of its divisors is an integer number (20387020).

Almost surely, 2^40774039 is an apocalyptic number.

40774039 is a deficient number, since it is larger than the sum of its proper divisors (1).

40774039 is an equidigital number, since it uses as much as digits as its factorization.

40774039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 40774039 is about 6385.4552695951. The cubic root of 40774039 is about 344.1870911930.

The spelling of 40774039 in words is "forty million, seven hundred seventy-four thousand, thirty-nine".